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7220C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7220CTYNSUHP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7220CTYNSUHP5

Boundary Dimensions

d 100 mm Bore diameter
D 180 mm Outside diameter
B 34 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 188 kN Basic Dynamic Load Rating
C0r 127 kN Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease 8000 min-1 Limiting Speed
Oil (Oil-air) 10000 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 35.7 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 112 mm Diameter of Shaft Abutment
Da(max.) 168 mm Diameter of Housing Abutment
Db(max.) 173 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 88.5 kN Permissible Axial Load

Calculation factors

f0 14.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 503N 104N/μm -20μm
L 984N 137N/μm -36μm
M 2337N 202N/μm -68μm
H 4700N 284N/μm -107μm

Additional information

18 g/brg Recommended Grease Quantities

Mass

3.18 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7220CTYNSUHP5 188 127 P5: ISO Class 5 8000 10000 3.18

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7220C

© NSK Ltd.

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